remove an element from an array at a specific index in r

To remove an element from an array at a specific index in R, you can use the [ ] operator to subset the array and then remove the desired element from the subset.

Here's an example of how to remove an element at index 3 from a vector:

main.r
my_vector <- c("a", "b", "c", "d")
my_vector <- my_vector[-3]
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In this example, we create a vector my_vector with elements "a", "b", "c", and "d". To remove the element at index 3 (which is "c"), we use the subset operation in the second line of code, which returns a new vector with all elements except the one at index 3:

main.r
[1] "a" "b" "d"
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You can apply a similar operation to remove elements from any type of array in R. Just use the subset operation to select the elements you want to keep and assign the subset back to the original object.